11066560650 has 72 divisors (see below), whose sum is σ = 29762847660. Its totient is φ = 2948037120.

The previous prime is 11066560577. The next prime is 11066560651. The reversal of 11066560650 is 5606566011.

It can be written as a sum of positive squares in 6 ways, for example, as 2098281249 + 8968279401 = 45807^2 + 94701^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11066560651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 441864 + ... + 466236.

Almost surely, 2^11066560650 is an apocalyptic number.

11066560650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11066560650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14881423830).

11066560650 is an abundant number, since it is smaller than the sum of its proper divisors (18696287010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11066560650 is a wasteful number, since it uses less digits than its factorization.

11066560650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25400 (or 25392 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 11066560650 in words is "eleven billion, sixty-six million, five hundred sixty thousand, six hundred fifty".